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