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