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