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