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