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