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