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