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