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