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