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