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