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