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