One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6,12,16,11,17,10,30)(7,18,23,33,22,34,21,13)(8,24,20,35,27,14,26,32)(9,28,19,36,25,31,29,15)(5,7,10,21,11,22,12,23)(6,13,16,18,17,33,30,34)(8,25,26,19,27,9,20,29)(14,15,32,28,24,36,35,31)(1,2,3,4)(5,8,10,26,11,27,12,20)(6,14,30,35,17,24,16,32)(7,19,21,9,22,29,23,25)(13,31,34,36,33,28,18,15)(5,9,10,29,11,25,12,19)(6,15,16,28,17,36,30,31)(7,20,21,8,22,26,23,27)(13,32,18,24,33,35,34,14)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.