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