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