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