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