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