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