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