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