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