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