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