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