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