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