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