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