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