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