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