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