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