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)(19,26)(20,23)(21,24)(22,25)(27,29)(28,31)(30,32)(1,3,4,7)(2,5,6,8)(9,10)(11,12)(13,15)(14,16)(17,19)(18,20)(21,27)(22,23)(24,28)(25,26)(29,32)(30,31)(1,2)(3,5)(4,6)(7,8)(9,11)(10,14)(12,15)(13,16)(17,20,22,26)(18,23,25,19)(21,29,30,28)(24,27,32,31)(11,16)(12,14)(17,20)(18,19)(21,29)(22,26)(23,25)(24,31)(27,32)(28,30) involution — undirected(1,3)(2,5)(4,7)(6,8)(9,12)(10,11)(13,14)(15,16)(17,21,22,30)(18,24,25,32)(19,27,23,31)(20,28,26,29)(1,2)(3,5)(4,6)(7,8)(9,10)(11,12)(13,15)(14,16)(17,18)(19,20)(21,24)(22,25)(23,26)(27,28)(29,31)(30,32) 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.