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