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