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