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