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