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