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)(21,22,27,32,28,33,26,31)(23,25,34,36,24,35,30,29)(5,7)(6,10)(8,15)(9,14)(11,19)(12,18)(13,16)(17,20)(21,23,28,24)(22,29,33,36)(25,32,35,31)(26,34,27,30)(1,2,3,4)(5,8)(6,11)(7,13)(9,16)(10,17)(12,20)(14,15)(18,19)(21,24,28,23)(22,25,33,35)(26,34,27,30)(29,32,36,31)(8,16)(11,20)(13,15)(17,19)(21,25,26,29,28,35,27,36)(22,30,31,24,33,34,32,23)(6,12)(7,14)(11,20)(13,15)(21,26,28,27)(22,31,33,32)(23,34,24,30)(25,36,35,29)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.