One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,13,16)(11,14,12,15)(17,18,22,26)(19,27,29,23)(20,24,21,25)(28,32,30,31)(1,2)(3,7)(4,6)(5,8)(9,11,13,12)(10,14,16,15)(17,19,22,29)(18,23,26,27)(20,28,21,30)(24,31,25,32)(1,3)(2,5)(4,8)(6,7)(10,15)(11,12)(14,16)(17,20,22,21)(18,24,26,25)(19,28,29,30)(23,31,27,32)(3,8)(5,7)(17,21,22,20)(18,25,26,24)(19,28,29,30)(23,31,27,32)(2,6)(5,7)(18,26)(23,27)(24,25)(31,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.