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