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