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