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