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