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