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