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