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