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