Take Time to Teach Prayer Specifically to Neurodivergent Muslims
This will be for extra credit, but would be well worth it: Consider coordinating with a special education teacher or occupational therapist to provide classes on salah (prayer) for neurodivergent people. While a disability may exempt a Muslim from the obligation of salah, there are some who may be interested in it and might be able to master it with the assistance of a patient teacher and the right tools. And you would have the reward of helping someone make salah when they otherwise could not. Does it get any better than that?
These ideas may not suit every autistic person, as autism is a spectrum, and affects everyone differently. These ideas might be helpful for other neurodivergent people and make the mosque a friendlier place overall.