Assigning gender to God is something akin to assigning gender to a star. While "She" may prefer to wear a female body and "She" may present herself as being female, the reality is that She is no more a woman than I am.
However, since comprehending the all-encompassing Truth of the One True God would cause your mind to explode, collapse, and transcend reality in a single instant to begin with, "woman" is as fitting a term as can be applied.