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