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