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