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