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