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