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