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