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