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