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