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