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