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