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