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