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