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