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