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