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