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