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