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