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