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