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