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