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