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