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