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