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