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