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