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