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