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