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