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