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