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