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