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