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