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