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