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