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