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)(19,25)(20,27)(21,29)(22,24)(23,30)(26,28)(31,32)(33,34,39,43)(35,44,41,37)(36,40,38,42)(45,46,48,47)(1,2)(3,10)(4,12)(5,6)(7,9)(8,13)(11,14)(15,16)(17,18,22,24)(19,25,27,20)(21,23,30,29)(26,31,32,28)(33,35)(34,37)(36,45)(38,48)(39,41)(40,47)(42,46)(43,44)(2,6)(7,10)(8,12)(14,16)(17,19)(18,20)(21,26)(22,27)(23,28)(24,25)(29,31)(30,32)(33,36,39,38)(34,40,43,42)(35,45,41,48)(37,47,44,46)(1,2)(3,7)(4,8)(5,6)(9,10)(11,14)(12,13)(15,16)(17,20)(18,19)(21,28)(22,25)(23,26)(24,27)(29,32)(30,31)(33,37,39,44)(34,41,43,35)(36,46,38,47)(40,45,42,48)(1,3)(2,7)(4,11)(5,9)(6,10)(8,14)(12,16)(13,15)(17,18)(19,20)(21,23)(22,24)(25,27)(26,28)(29,30)(31,32)(33,34)(35,44)(36,40)(37,41)(38,42)(39,43)(45,46)(47,48) involution — undirected(1,4)(2,8)(3,11)(5,13)(6,12)(7,14)(9,15)(10,16)(17,21,22,30)(18,23,24,29)(19,26,27,32)(20,28,25,31)(33,38,39,36)(34,42,43,40)(35,45,41,48)(37,47,44,46)A 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.