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