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