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)(11,13)(17,18,21,25)(19,27,28,24)(20,23,26,22)(29,32,31,30)(1,3,5,4)(2,6,8,7)(9,10,12,14)(11,16,13,15)(17,19)(18,24)(20,30)(21,28)(22,29)(23,31)(25,27)(26,32)(10,15,14,16)(17,20,22,18,21,26,23,25)(19,24,29,32,28,27,31,30)(1,4,5,3)(2,7,8,6)(9,11,12,13)(10,16,14,15)(18,25)(20,26)(24,27)(30,32)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.