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