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