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