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