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)(9,13)(10,14)(11,16)(17,20)(18,19)(22,26)(24,32)(27,29)(30,36)(7,16)(8,17)(11,15)(12,20)(21,22,25,26)(23,29,31,27)(24,28,32,33)(30,35,36,34)(5,7,10,16)(6,11,14,15)(8,9,17,19)(12,18,20,13)(21,23,25,31)(22,27,26,29)(24,30,32,36)(28,34,33,35)(5,8,10,17)(6,12,14,20)(7,9,16,19)(11,18,15,13)(21,24)(22,28)(23,30)(25,32)(26,33)(27,34)(29,35)(31,36)(5,9)(6,13)(7,17)(8,16)(10,19)(11,12)(14,18)(15,20) involution — undirected(5,6)(7,11)(8,12)(9,18)(10,14)(13,19)(15,16)(17,20) 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.