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