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