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