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