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