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