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