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