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