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