One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,5)(3,4,8,7)(9,10,13,15)(11,12,16,14)(18,23)(19,27)(21,35)(25,31)(29,32)(33,46)(38,42)(47,48)(2,5)(3,8)(9,11,13,16)(10,14,15,12)(18,23)(24,28)(25,31)(26,36)(37,39)(38,42)(40,44)(47,48)(1,3,6,8)(2,7,5,4)(9,11)(10,12)(13,16)(14,15)(17,18)(19,28)(20,31)(21,36)(22,23)(24,27)(25,34)(26,35)(29,37)(30,38)(32,39)(33,40)(41,42)(43,48)(44,46)(45,47)(1,4)(2,3)(5,8)(6,7)(9,12)(10,11)(13,14)(15,16)(17,19)(18,24)(20,32)(21,30)(22,27)(23,28)(25,39)(26,38)(29,34)(31,37)(33,45)(35,41)(36,42)(40,48)(43,46)(44,47) involution — undirected(1,5,6,2)(3,4,8,7)(17,20,22,34)(18,25,23,31)(19,29,27,32)(21,33,35,46)(24,37,28,39)(26,40,36,44)(30,43,41,45)(38,47,42,48)(1,4)(2,3)(5,8)(6,7)(17,21,22,35)(18,26,23,36)(19,30,27,41)(20,33,34,46)(24,38,28,42)(25,40,31,44)(29,43,32,45)(37,47,39,48)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.