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