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