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