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