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)(11,13)(12,14)(15,16)(17,18,23,28)(19,24,30,31)(20,25,22,27)(21,26,32,29)(2,5)(6,8)(9,11,12,15)(10,13,14,16)(19,29)(20,22)(21,24)(25,27)(26,30)(31,32)(10,14)(13,16)(17,19,23,30)(18,24,28,31)(20,29,22,26)(21,27,32,25)(1,3,4,7)(2,6,5,8)(17,20)(18,25)(21,32)(22,23)(26,29)(27,28)(17,21,23,32)(18,26,28,29)(19,27,30,25)(20,31,22,24)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.