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