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