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