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)(11,15)(12,13)(14,16)(17,18,22,21)(19,24,27,23)(20,28,29,25)(26,30,32,31)(2,5)(6,7)(10,13)(14,15)(17,19,22,27)(18,23,21,24)(20,26,29,32)(25,30,28,31)(1,2)(3,6)(4,5)(7,8)(9,10)(11,14)(12,13)(15,16)(17,19,22,27)(18,23,21,24)(20,26,29,32)(25,30,28,31)(1,2)(3,6)(4,5)(7,8)(9,11,12,16)(10,14,13,15)(17,19)(18,24)(20,26)(21,23)(22,27)(25,31)(28,30)(29,32)(1,3,4,8)(2,6,5,7)(17,20,22,29)(18,25,21,28)(19,26,27,32)(23,30,24,31)(17,21,22,18)(19,24,27,23)(20,25,29,28)(26,30,32,31)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.