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