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