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