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