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