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