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