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