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