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