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