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