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