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