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