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