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