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