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