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