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