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