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