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