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