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