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