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