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)(21,22,27,25,28,30,26,36)(23,31,33,24,34,35,32,29)(7,13)(8,16)(10,17)(11,15)(21,23,28,34)(22,29,30,24)(25,35,36,31)(26,33,27,32)(1,2,3,4)(5,7,9,13)(6,10,12,17)(8,14,16,19)(11,18,15,20)(21,24,28,29)(22,23,30,34)(25,33,36,32)(26,31,27,35)(7,13)(10,17)(14,19)(18,20)(21,25,26,22,28,36,27,30)(23,24,32,31,34,29,33,35)(5,8,9,16)(6,11,12,15)(7,14,13,19)(10,18,17,20)(21,26,28,27)(22,25,30,36)(23,32,34,33)(24,35,29,31)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.