One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(6,9)(7,11)(13,14)(15,20)(16,21)(17,33)(18,23)(19,24)(22,26)(25,34)(27,35)(28,36)(29,37)(30,38)(31,42)(32,39)(40,43)(41,44) involution — undirected(5,6)(7,10)(8,9)(11,12)(13,15,19,27)(14,20,24,35)(16,28,30,31)(17,29,26,18)(21,36,38,42)(22,23,33,37)(25,40,41,32)(34,43,44,39)(2,4)(13,16,29,40,19,30,18,32)(14,21,37,43,24,38,23,39)(15,25,17,31,27,41,26,28)(20,34,33,42,35,44,22,36)(5,7,8,11)(6,10,9,12)(16,30)(21,38)(25,41)(28,31)(32,40)(34,44)(36,42)(39,43)(6,9)(10,12)(13,17,18,15,19,26,29,27)(14,22,23,35,24,33,37,20)(16,31,32,25,30,28,40,41)(21,36,39,44,38,42,43,34)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.