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