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