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