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