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