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