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