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)(15,21)(16,22)(17,23)(18,20)(19,24)(25,35)(26,36)(27,32)(28,37)(29,38)(30,33)(31,34)(39,44)(40,42)(41,43) involution — undirected(5,7,8,12)(6,9,10,11)(14,20)(15,25)(16,19)(17,29)(21,34)(23,37)(26,40)(27,31)(28,30)(32,35)(33,38)(43,44)(1,2,3,4)(13,15,18,27)(14,21,20,32)(16,25,19,31)(17,26,30,40)(22,35,24,34)(23,36,33,42)(28,39,29,41)(37,44,38,43)(6,10)(9,11)(13,16,18,19)(14,22,20,24)(15,25,27,31)(17,29,30,28)(21,35,32,34)(23,38,33,37)(26,41,40,39)(36,43,42,44)(7,12)(9,11)(13,17,18,30)(14,23,20,33)(15,26,27,40)(16,28,19,29)(21,36,32,42)(22,37,24,38)(25,39,31,41)(34,43,35,44)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.