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