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