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