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