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