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