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