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