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