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