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