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)(18,22)(23,24)(25,26,29,28)(27,31,32,30)(9,11,14,12)(10,15,13,16)(27,32)(30,31)(1,2,5,3)(4,6,8,7)(9,12,14,11)(10,15,13,16)(17,18)(19,23)(20,24)(21,22)(25,27)(26,30)(28,31)(29,32)(1,3,5,2)(4,7,8,6)(17,19,21,20)(18,23,22,24)(25,26,29,28)(27,30,32,31)(1,4,5,8)(2,6,3,7)(9,13,14,10)(11,15,12,16)(17,20,21,19)(18,24,22,23)(25,28,29,26)(27,31,32,30)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.