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)(23,29)(24,28)(25,26)(27,30)(31,36)(32,35)(33,34)(7,12)(9,11)(15,19)(18,20)(22,26)(23,30)(28,34)(31,32) involution — undirected(5,7)(6,9)(8,12)(10,11)(13,14)(15,18)(16,17)(19,20)(21,22)(23,29)(24,28)(25,26)(27,30)(31,36)(32,35)(33,34) involution — undirected(1,2)(3,4)(5,7)(6,9)(8,12)(10,11)(13,15)(14,18)(16,19)(17,20)(21,23)(22,27)(24,32)(25,30)(26,29)(28,36)(31,33)(34,35) involution — undirected(5,6)(7,9)(8,10)(11,12)(13,14)(15,18)(16,17)(19,20)(21,24,25,33)(22,28,26,34)(23,31,30,32)(27,35,29,36)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.