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