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