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