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