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