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