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