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