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