Define the properties this "god" supposedly clearly and without misunderstanding and I could perhaps answer that question. I wouldn't be interested in doing so until that's been done. There's also the possibility that no evidence would be sufficient if said god is claimed to be sufficiently outside of experience. Furthermore, if the god isn't falsifiable at least in principle, it would be a pointless exercise I think.
Without those parameters, you may as well ask what would be evidence for a gorble fiznit
Without those parameters, you may as well ask what would be evidence for a gorble fiznit