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