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