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