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