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