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