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