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