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