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)(15,16,21,24)(17,25,27,20)(22,26,28,23)(29,30,34,37)(31,32,39,35)(33,41,43,36)(38,42,44,40)(6,9)(10,12)(14,19)(15,21)(20,25)(22,28)(29,31,34,39)(30,35,37,32)(33,38,43,44)(36,42,41,40)(5,6,8,9)(7,10,11,12)(13,15)(14,16)(17,22)(18,21)(19,24)(20,23)(25,26)(27,28)(29,31)(30,35)(32,37)(33,38)(34,39)(36,42)(40,41)(43,44)(1,2)(3,4)(13,16)(14,15)(17,26)(18,24)(19,21)(20,28)(22,25)(23,27)(29,32,34,35)(30,31,37,39)(33,42,43,40)(36,44,41,38)(5,7)(6,10)(8,11)(9,12)(13,17,18,27)(14,20,19,25)(15,22,21,28)(16,23,24,26)(29,33,34,43)(30,36,37,41)(31,38,39,44)(32,40,35,42)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.