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