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