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