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