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