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)(16,22)(17,23)(18,20)(19,24)(21,28)(26,39)(27,37)(29,40)(30,36)(31,38)(32,34)(33,35)(41,43)(42,44) involution — undirected(5,6)(7,11)(8,10)(9,12)(14,20)(16,29)(17,18)(21,34)(22,38)(23,24)(25,37)(26,41)(27,32)(30,42)(31,33)(36,39) involution — undirected(2,4)(5,7,8,12)(6,9,10,11)(13,15)(14,21)(16,30)(17,32)(18,27)(19,28)(20,34)(22,39)(23,37)(24,25)(26,31)(29,42)(33,41)(35,44)(36,38)(40,43)(7,12)(9,11)(13,16)(14,22)(15,26)(17,29)(18,33)(19,31)(20,35)(21,36)(23,40)(24,38)(25,39)(27,42)(28,30)(32,41)(34,43)(37,44) involution — undirected(6,10)(9,11)(13,17,19,18)(14,23,24,20)(15,27,28,32)(16,29,31,33)(21,34,25,37)(22,40,38,35)(26,42,30,41)(36,43,39,44)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.