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