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