The picture you posted looks more cautious than about to strike. Honestly, if your snake was going to behave aggressively toward you you'd know by now. And ball pythons aren't typically so singlemindedly food-oriented as to strike at anything that moves just because it's been a whole three days since they ate.
You might be intimidated because you think of your snake as a predator, which it is; but it's also a prey species, especially as a baby. Think of it more like a baby bunny but without the giant incisors - pretty much defenseless. The cautious S-bend is really about pulling the head in to protect it, maybe hiding his head under a loop of his body if he gets even more nervous. The next step is balling up.
If possible, rather than worry about whether your snake might bite you, try to concentrate on making the time spent out of the cage as positive and unintimidating for the snake as you can. A young snake is likely to be scared of bright lighting, wide open or exposed spaces such as bare tabletops, things passing overhead. I think it's also helpful to take him out of the cage when he's already out and about rather than when he's snoozing. No one likes to be hauled out of bed to go for a "walk".
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