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)(11,14)(12,15)(13,16)(17,18,22,26)(19,27,29,23)(20,24,30,32)(21,25,31,28)(33,34,38,42)(35,39,40,36)(37,41,46,45)(43,47,48,44)(1,3,6,9)(2,7,10,5)(4,11,13,15)(8,14,16,12)(17,19,22,29)(18,23,26,27)(20,28,30,25)(21,24,31,32)(33,34)(35,39)(36,40)(37,41)(38,42)(43,47)(44,48)(45,46)(1,3)(2,5)(4,11)(6,9)(7,10)(8,12)(13,15)(14,16)(17,18)(19,23)(20,24)(21,25)(22,26)(27,29)(28,31)(30,32)(33,35,38,40)(34,39,42,36)(37,43,46,48)(41,47,45,44)(1,3)(2,7)(4,11)(5,10)(6,9)(8,14)(12,16)(13,15)(17,18)(19,27)(20,24)(21,28)(22,26)(23,29)(25,31)(30,32)(33,34)(35,39)(36,40)(37,45)(38,42)(41,46)(43,44)(47,48) involution — undirected(1,4,6,13)(2,8,10,16)(3,11,9,15)(5,12,7,14)(17,20,22,30)(18,24,26,32)(19,28,29,25)(21,23,31,27)(33,36,38,39)(34,40,42,35)(37,44,46,47)(41,48,45,43)(1,5,6,7)(2,9,10,3)(4,12,13,14)(8,15,16,11)(17,21)(18,25)(19,24)(20,23)(22,31)(26,28)(27,30)(29,32)(33,37)(34,41)(35,43)(36,44)(38,46)(39,47)(40,48)(42,45)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.