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