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