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