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