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