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)(17,18,22,26)(19,20,24,23)(21,25,29,32)(27,28,31,30)(33,34)(35,41)(36,44)(37,40)(38,43)(39,46)(42,47)(45,48)(1,3)(2,7)(4,11)(5,6)(8,10)(9,14)(12,13)(15,16)(17,18)(19,23)(20,24)(21,25)(22,26)(27,30)(28,31)(29,32)(33,34,37,40)(35,38,43,41)(36,39,46,44)(42,47,45,48)(2,8)(3,5)(4,12)(14,16)(19,24)(20,23)(21,29)(25,32)(33,35,37,43)(34,38,40,41)(36,45,46,42)(39,48,44,47)(1,4,6,12)(2,9,8,15)(3,11,5,13)(7,14,10,16)(17,19)(18,23)(20,26)(21,27)(22,24)(25,30)(28,32)(29,31)(33,35)(34,38)(36,42)(37,43)(39,47)(40,41)(44,48)(45,46)(1,5,6,3)(2,10,8,7)(4,11,12,13)(9,14,15,16)(17,20,22,23)(18,24,26,19)(21,28,29,30)(25,31,32,27)(33,34)(35,41)(36,39)(37,40)(38,43)(42,48)(44,46)(45,47)(1,2)(3,7)(4,9)(5,10)(6,8)(11,14)(12,15)(13,16)(17,21)(18,25)(19,27)(20,28)(22,29)(23,30)(24,31)(26,32)(33,36)(34,39)(35,42)(37,46)(38,47)(40,44)(41,48)(43,45) 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.