One vertex per element, one color per generator, with an edge from x to x·s.
(10,12)(14,16)(17,18,22,23)(19,25,26,24)(20,29,30,21)(27,28,32,31)(1,2)(3,7)(4,5)(6,8)(11,15)(14,16)(18,23)(19,26)(20,30)(28,31) involution — undirected(2,5)(6,7)(9,10,13,12)(11,14,15,16)(18,23)(21,29)(24,25)(28,31)(9,11,13,15)(10,14,12,16)(17,19,22,26)(18,24,23,25)(20,27,30,32)(21,28,29,31)(1,3)(2,6)(4,8)(5,7)(9,12,13,10)(11,16,15,14)(17,20)(18,21)(19,27)(22,30)(23,29)(24,28)(25,31)(26,32)(1,2)(3,6)(4,5)(7,8)(17,21)(18,20)(19,28)(22,29)(23,30)(24,27)(25,32)(26,31) 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.