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