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