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