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