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