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