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