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