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