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