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