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