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