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