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