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