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