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