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