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