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