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