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