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