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