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