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