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