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