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