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