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