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