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