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