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