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