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