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