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