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