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