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