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