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