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