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