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