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