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