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