Yes, non citizens were drafted, so were puerto ricans and exiled cubans living here.
The upshot of any alien drafted into the military is they were each given a back ground investigation to determine their suitability. The result was most were qualified to be awarded security clearances, up to secret I believe. This had impact on availability in assignments.
Thanks I wasn’t sure of the criteria for draft other than
I was 1A after after college. I know the rules changed a
at times during that period. Take care.