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