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