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