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