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