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