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