One option is to add "LGBTQ" to the list. It stands for lesbian-gay-bisexual-transgender-queer, and will be recognizable by people who identify as any of them.
You can use this OFCCP audit checklist to ensure you're doing what is required to maintain OFCCP's regulations including VEVRAA, Section 503, and EO 11246. Or request a demo to streamline your compliance and recruiting efforts.