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