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