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