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