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