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