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