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