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