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