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