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