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