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