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