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