She sounds just like a defensive baby to me: some are more so than others. If she's still eating and husbandry is up to par I would continue with short handling sessions. What really worked for me when I was working to calm down by Sumatran blood girl was to approach her in a confident manner (ie no hovering over her, no hesitating when trying to pick her up) and to only let her back into her tub when she was calm and not "acting out". They can really pick up on if you're nervous or hesitating: once I just reaching in there and picked her up (no grabbing of course) her behavior really turned around. Ending on a positive is good too: only end handling when the snake isn't huffing/striking/biting/etc and is relaxed.
And I wouldn't worry about moving the ASF colony, I keep my rabbits and our rats in the snake room with no ill effects.