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)(19,29)(20,25)(21,26)(22,27)(23,28)(24,30)(31,32)(5,6)(7,8)(9,10,12,13)(11,14,15,16)(17,19,22,30)(18,24,27,29)(20,23,31,21)(25,26,32,28)(2,4)(6,8)(9,11)(10,14)(12,15)(13,16)(17,20,23,30,22,31,21,19)(18,25,28,24,27,32,26,29)(11,15)(14,16)(17,21,22,23)(18,26,27,28)(19,20,30,31)(24,32,29,25)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.