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