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