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