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