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)(11,15)(12,13)(14,16)(17,18,24,29)(19,25,20,31)(21,26,30,32)(22,28,23,27)(1,3,5,4)(2,6,8,7)(9,10)(11,14)(12,13)(15,16)(17,19,24,20)(18,25,29,31)(21,23,30,22)(26,27,32,28)(1,3,5,4)(2,7,8,6)(10,13)(14,15)(17,20,22,21,24,19,23,30)(18,26,27,31,29,32,28,25)(1,3,5,4)(2,7,8,6)(9,11,12,16)(10,14,13,15)(17,21,23,20,24,30,22,19)(18,25,28,32,29,31,27,26)(1,4,5,3)(2,7,8,6)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.