I believe (correct me if im wrong) but most snakes move around the first week exploring and acclimating, and its not so much stress, then the settle down. if they start roaming alot after calming down then it becomes more stress related.
I would consider being in a new home rather stressful. Any way ya slice it, your best course of action at this point is to offer adequate hiding spots and leave your snake alone for a week or so until they aclimate.