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