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