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