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