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