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