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