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