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