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