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