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