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