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