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