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